Add readline.

[gnulib.git] / lib / readline.c

diff --git a/lib/readline.c b/lib/readline.c
new file mode 100644 (file)
index 0000000..197262a
--- /dev/null
+++ b/lib/readline.c
@@ -0,0 +1,51 @@
+/* readline.c --- Simple implementation of readline.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+   Written by Simon Josefsson
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+/* This module is intended to be used when the application only need
+   the readline interface.  If you need more functions from the
+   readline library, it is recommended to require the readline library
+   (or improve this module) rather than #if-protect part of your
+   application (doing so would add assumptions of this module into
+   your application).  The application should use #include
+   "readline.h", that header file will include <readline/readline.h>
+   if the real library is present on the system. */
+
+/* Get specification. */
+#include "readline.h"
+
+#include <stdio.h>
+#include <getline.h>
+
+char *
+readline (const char *prompt)
+{
+  char *out = NULL;
+  size_t size = 0;
+
+  if (prompt)
+    fputs (prompt, stdout);
+
+  if (getline (&out, &size, stdin) < 0)
+    return NULL;
+
+  return out;
+}